Refill holder for electric toothbrush



FIG. 1 is a perspective view of a refill holder for electric toothbrush;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

Broken lines are used in the drawings to designate environmental structures or parts of a refill holder for electric toothbrush that form no part of the claim. 

CLAIM The ornamental design for a refill holder for electric toothbrush, as shown and described. 